IceCube is a giant neutrino telescope located deep in the glacial ice near Amundsen–Scott Base at the South Pole. Now, 15 years after the facility was completed, a comprehensive upgrade is underway during the Antarctic summer of 2025/26. Sweden is contributing, among other things, with cables and the development of new equipment, and the Swedish Polar Research Secretariat has supported the work through logistical support and personnel on site at the South Pole.
Katrin Lindbäck, a researcher at Mid Sweden University, is taking part in the iQ2300 2025/26 expedition to investigate how meltwater is stored in Antarctic ice—both within the snow and in lakes on the surface—and what this means for the ice’s stability. Using radar and sensors, she aims to understand how hidden water reservoirs can influence crevasse formation, ice dynamics and the risk of collapse, with consequences for future sea levels.